China's environmental regulators have sought to reduce the Yangtze River's water pollution. We document that this …, the regulation has focused on reducing one dimension of water pollution called chemical oxygen demand (COD). Thus, local …

Using the most comprehensive data file ever compiled on air pollution, water pollution, environmental regulations, and … air pollution regulations were effective at reducing ambient concentrations of particulate matter, sulfur dioxide, and … nitrogen dioxide. The most successful air pollution regulation is associated with a modest and statistically insignificant …

This article proposes and evaluates four hypotheses about US pollution and environmental policy over the last half … century. First, air and water pollution have declined substantially, although greenhouse gas emissions have not. Second …, environmental policy explains a large share of these trends. Third, much of the regulation of air and drinking water pollution has …

, and polls for decades have listed water pollution as Americans' number one environmental concern. We assess the history … pollution has fallen since these laws, in part due to their interventions. Second, investments made under these laws could be … more cost-effective. Third, most recent studies estimate benefits of cleaning up pollution in rivers and lakes which are …

changed the local political promotion criteria and hence incentivized local officials to reduce border pollution along … specific criteria. Using a difference in difference approach, we document evidence of pollution progress with respect to …

This paper explores the empirical effects of decentralization on environmental quality by studying water pollution in … rivers around the world. It examines the level of pollution and variation in pollution across jurisdictions within a country …, for both a local and a regional pollutant. Federal countries exhibit greater interjurisdictional variation in pollution …

may have benefits, it may also have costs with pollution spillovers across states. This paper estimates these costs …

the country level with data on pollution intensity at the industry level to show that countries with laxer environmental …. We propose an instrument for environmental regulation based on meteorological determinants of pollution dispersion identi …...ed by the atmospheric pollution literature. We find that the effect of environmental regulation on the pattern of trade is …